Semiconductor real-time quality assurance dosimetry in brachytherapy

Area of Science:

• Medical Physics
• Radiation Oncology
• Semiconductor Dosimetry

Background:

• Increasing complexity in brachytherapy necessitates advanced delivery verification tools.
• Current quality assurance methods require sophisticated and cost-effective solutions.

Purpose of the Study:

• To present semiconductor-based dosimetry instruments developed by the Centre for Medical Radiation Physics (CMRP).
• To demonstrate the application of these devices for real-time quality assurance in various brachytherapy treatments.

Main Methods:

• Development and application of novel semiconductor dosimetry instruments.
• Integration of devices for in vivo dosimetry, pretreatment verification, and source dwell position monitoring.

Main Results:

• Demonstrated applicability of semiconductor devices for cost-effective, real-time quality assurance.
• Successful application in breast, rectal, and urethral dosimetry for HDR and LDR brachytherapy.
• Verified quality assurance of afterloaders and real-time monitoring of source positions.

Conclusions:

• Semiconductor devices show significant promise for pretreatment and in vivo quality assurance in brachytherapy.
• CMRP's instruments provide reliable solutions for diverse brachytherapy modalities, enhancing treatment safety and accuracy.